package com.lkd.job;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.lkd.common.VMSystem;
import com.lkd.entity.VendingMachineEntity;
import com.lkd.service.VendingMachineService;
import com.xxl.job.core.biz.model.ReturnT;
import com.xxl.job.core.handler.annotation.XxlJob;
import com.xxl.job.core.log.XxlJobLogger;
import com.xxl.job.core.util.ShardingUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import java.util.List;

/**
 * 自动补货任务生成Job
 */
@Component
@Slf4j
public class SupplyJob {

    @Autowired
    private VendingMachineService vmService;

    /**
     * 售货机扫描任务
     */
    @XxlJob("supplyJobHandler")
    public ReturnT<String> supplyJobHandler(String param) throws Exception {

        ShardingUtil.ShardingVO shardingVo = ShardingUtil.getShardingVo();
        //分片总数
        int numbers = shardingVo.getTotal();
        //当前分片索引
        int index = shardingVo.getIndex();
        log.info("分片参数  当前分片索引{}   总分片数{}", index, numbers);
        XxlJobLogger.log("分片参数  当前分片索引" + index + "  总分片数" + numbers);

        //查询所有运营状态的售货机
        QueryWrapper<VendingMachineEntity> qw = new QueryWrapper<>();
        qw.lambda()
                //运行中的售货机
                .eq(VendingMachineEntity::getVmStatus, VMSystem.VM_STATUS_RUNNING)
                //对id取模
                .apply("mod(id," + numbers + " ) = " + index);

        List<VendingMachineEntity> vmList = vmService.list(qw);
        vmList.forEach(vm -> {
            XxlJobLogger.log("扫描售货机" + vm.getInnerCode());
            vmService.sendSupplyTask(vm.getInnerCode());
        });
        return ReturnT.SUCCESS;
    }
}